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4 votes
(20 Points)

Which conjunction or disjunction is equivalent to following open sentence?

|\alpha - 9|\leq 4

A.
\alpha - 9 \geq 4 and
\alpha - 9 \leq 4

B.
\alpha - 9 \leq 4 or
\alpha - 9 \geq -4

C.
\alpha - 9 \leq 4 and
\alpha - 9 \leq -4

D.
\alpha - 9 \leq 4 and
\alpha - 9 \geq -4

User Aaz
by
7.6k points

1 Answer

3 votes

|a-9|<=4

a-9 <=4 and a-9>=-4

Choice D


User Chris Oldwood
by
8.0k points
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